The Meshtastic motherboard with solar MPPT charger allows power supply via Li-Ion, Li-Pol, LiFePO4 or LTO batteries and is based on the proven RAK4630 module.
The RAK4630 is a powerful long range communication module that combines Nordic's nRF52840 Bluetooth Low Energy 5.0 microcontroller and Semtech's latest SX1262 LoRa transceiver....